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-rw-r--r--Source/JavaScriptCore/runtime/JSByteArray.h133
1 files changed, 0 insertions, 133 deletions
diff --git a/Source/JavaScriptCore/runtime/JSByteArray.h b/Source/JavaScriptCore/runtime/JSByteArray.h
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--- a/Source/JavaScriptCore/runtime/JSByteArray.h
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@@ -1,133 +0,0 @@
-/*
- * Copyright (C) 2009 Apple Inc. All Rights Reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef JSByteArray_h
-#define JSByteArray_h
-
-#include "JSObject.h"
-
-#include <wtf/ByteArray.h>
-
-namespace JSC {
-
- class JSByteArray : public JSNonFinalObject {
- friend class JSGlobalData;
- public:
- typedef JSNonFinalObject Base;
-
- bool canAccessIndex(unsigned i) { return i < m_storage->length(); }
- JSValue getIndex(ExecState*, unsigned i)
- {
- ASSERT(canAccessIndex(i));
- return jsNumber(m_storage->data()[i]);
- }
-
- void setIndex(unsigned i, int value)
- {
- ASSERT(canAccessIndex(i));
- if (value & ~0xFF) {
- if (value < 0)
- value = 0;
- else
- value = 255;
- }
- m_storage->data()[i] = static_cast<unsigned char>(value);
- }
-
- void setIndex(unsigned i, double value)
- {
- ASSERT(canAccessIndex(i));
- if (!(value > 0)) // Clamp NaN to 0
- value = 0;
- else if (value > 255)
- value = 255;
- m_storage->data()[i] = static_cast<unsigned char>(value + 0.5);
- }
-
- void setIndex(ExecState* exec, unsigned i, JSValue value)
- {
- double byteValue = value.toNumber(exec);
- if (exec->hadException())
- return;
- if (canAccessIndex(i))
- setIndex(i, byteValue);
- }
-
- private:
- JS_EXPORT_PRIVATE JSByteArray(ExecState*, Structure*, ByteArray* storage);
-
- public:
- static JSByteArray* create(ExecState* exec, Structure* structure, ByteArray* storage)
- {
- JSByteArray* array = new (NotNull, allocateCell<JSByteArray>(*exec->heap())) JSByteArray(exec, structure, storage);
- array->finishCreation(exec);
- return array;
- }
-
- JS_EXPORT_PRIVATE static Structure* createStructure(JSGlobalData&, JSGlobalObject*, JSValue prototype, const JSC::ClassInfo* = &s_info);
-
- JS_EXPORT_PRIVATE static bool getOwnPropertySlot(JSC::JSCell*, JSC::ExecState*, const JSC::Identifier& propertyName, JSC::PropertySlot&);
- JS_EXPORT_PRIVATE static bool getOwnPropertySlotByIndex(JSC::JSCell*, JSC::ExecState*, unsigned propertyName, JSC::PropertySlot&);
- JS_EXPORT_PRIVATE static bool getOwnPropertyDescriptor(JSObject*, ExecState*, const Identifier&, PropertyDescriptor&);
- JS_EXPORT_PRIVATE static void put(JSC::JSCell*, JSC::ExecState*, const JSC::Identifier& propertyName, JSC::JSValue, JSC::PutPropertySlot&);
- JS_EXPORT_PRIVATE static void putByIndex(JSC::JSCell*, JSC::ExecState*, unsigned propertyName, JSC::JSValue, bool shouldThrow);
-
- JS_EXPORT_PRIVATE static void getOwnPropertyNames(JSC::JSObject*, JSC::ExecState*, JSC::PropertyNameArray&, EnumerationMode);
-
- static JS_EXPORTDATA const ClassInfo s_info;
-
- size_t length() const { return m_storage->length(); }
-
- WTF::ByteArray* storage() const { return m_storage.get(); }
-
- ~JSByteArray();
- JS_EXPORT_PRIVATE static void destroy(JSCell*);
-
- static size_t offsetOfStorage() { return OBJECT_OFFSETOF(JSByteArray, m_storage); }
-
- protected:
- static const unsigned StructureFlags = OverridesGetOwnPropertySlot | OverridesGetPropertyNames | JSObject::StructureFlags;
-
- void finishCreation(ExecState* exec)
- {
- Base::finishCreation(exec->globalData());
- putDirect(exec->globalData(), exec->globalData().propertyNames->length, jsNumber(m_storage->length()), ReadOnly | DontDelete);
- }
-
- private:
- RefPtr<WTF::ByteArray> m_storage;
- };
-
- JSByteArray* asByteArray(JSValue value);
- inline JSByteArray* asByteArray(JSValue value)
- {
- return static_cast<JSByteArray*>(value.asCell());
- }
-
- inline bool isJSByteArray(JSValue v) { return v.isCell() && v.asCell()->classInfo() == &JSByteArray::s_info; }
-
-} // namespace JSC
-
-#endif // JSByteArray_h